Publication: Selection of a Friction Model to Take into Account the Impact on the Dynamics and Positioning Accuracy of Drive Systems
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2021
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© 2021, The Author(s), under exclusive license to Springer Nature Switzerland AG.The problem of choosing a friction model for solving the problems of controlling positional systems, primarily with a pneumatic drive, is discussed. Due to their high dynamics, good towing capacity and relatively low price, pneumatic positioning systems are an attractive alternative to electric drives. However, the use of pneumatic systems involves some difficulties caused by the nonlinearities of its individual elements, in particular the flow characteristics of the servo valve, the compressibility of the working fluid, and also the friction acting on the piston. The main goal of this work is to analyze the stability in the interaction of the energy and control units under the influence of friction forces represented by various models. The Karnopp model was considered as one of the models, which has the advantage in describing the interaction with the friction forces in the transition from the state of rest to motion and vice versa.
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Selection of a Friction Model to Take into Account the Impact on the Dynamics and Positioning Accuracy of Drive Systems / Kreinin, G.V. [et al.] // Advances in Intelligent Systems and Computing. - 2021. - 1310. - P. 309-319. - 10.1007/978-3-030-65596-9_37